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belka [17]
4 years ago
10

I need help checking this problem...

Mathematics
1 answer:
user100 [1]4 years ago
4 0
You got the top part right, but you are missing the bottom it would actually be -56/5 or -56 over 5.

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The boiling point of water is 212°F. The boiling point of helium is –452°F.
Korolek [52]

Answer:

Option A and Option D are correct

4 0
3 years ago
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The combined perimeter of the rectangle and triangle is 63 inches. The model shows the dimensions of the rectangle. What is the
katrin2010 [14]

*See diagram in the attachment

Answer:

27 inches

Step-by-step explanation:

Combined perimeter = perimeter of rectangle + perimeter of triangle = 63 inches

Perimeter of rectangle = 2(L + W)

L = 11 in.

W = 7 in.

Perimeter of rectangle = 2(11 + 7) = 36 in.

Let perimeter of the triangle be represented by x

Therefore:

36 + x = 63

Subtract 36 from each side

x = 63 - 36

x = 27

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7 0
3 years ago
If an object is shot with an initial velocity of 160 ft/sec, what is the smallest initial angle will you need to obtain a horizo
MrRissso [65]
To solve the question we shall use the formula for the range given by:
Horizontal range, R=[v²sin 2θ]/g
plugging in our values we get:
500=[160²×sin 2θ]/10
5000=160²×sin 2θ
0.1953=sin 2θ
thus:
arcsin 0.1953=2θ
11.263=2θ
hence:
θ=5.6315°~5.63
3 0
4 years ago
Austin made punch by mixing 28 ounces of lemonade 14 ounce of orange juice and 28 ounces of ginger ale. what is the ratio of oun
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2:10
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A type of green paint is made by mixing 2 cups of yellow with 3.5 cups of blue. Find a mixture that will make the different shad
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